OBJECTIVE:

• To succeed in an environment of growth and excellence and earn a job which provides me job satisfaction and self development and help me achieve personal as well as organizational goals.

PROFESSIONAL SUMMARY:

• A dedicated Professional with 8 years of expertise, in Implementation, Administration, Operations and Troubleshooting of enterprise data networks as a Network Engineer.
• Expertise knowledge of Cisco IOS and extensive experience on network equipment such as Cisco routers, Cisco Switches, Cisco Firewalls and F5 Load Balancers
• In - depth knowledge of TCP/IP protocol suite and proficiency in configuring and troubleshooting various routing protocols like BGP, OSPF, EIGRP, RIP, Static routing and management of routes using manual summarization, default-routes and redistribution
• Strong technical support in LAN and WAN troubleshooting, administration and support
• Extensive experience in configuring and troubleshooting various L2 protocols which includes VTP, STP, RSTP, PVST, MSTP, creating VLANS and Ether Channel (PAgP, LACP) and implemented inter-VLAN routing besides creating SVI’s and VLAN Trunking using 802.1q
• Worked on Nexus platform 7010, 5K series (5548,5020 and 5010) and FEX (2248, and 2232)
• Expertise in implementing gateway redundancy protocols like HSRP, VRRP and GLBP
• Experience in implementation of Cisco ACS Servers & configuration of TACACS protocols.
• Experience with setting up Cisco ASA firewalls Cisco ASA 5510, Cisco ASA 5512 & Cisco ASA 5505 with restricted security policies, NAT implantation, configured DMZ interfaces to restrict traffic flow
• Experience in implementation of offset-list for route manipulation and Access Control Lists, Route-maps, Distribute lists & Prefix- lists for route filtering
• Implemented various VPN technologies like IPSEC & SSL flavors of VPN in a site-to-site & remote VPN based on requirement
• Experience in configuring ACLs, NAT, PAT, Subnetting, VLSM, Syslog Server, DHCP Server, DHCP relay on Cisco routers
• Proficient in using MS Visio for documentation

TECHNICAL SKILLS:

Cisco Routers: 2600, 2900, 3600, 3800, 7200 and 7600

Cisco L2 & L3 Switches: Catalyst 2900, 3560, 3750, 4500, 4900 and 6500& Nexus 2000, 5000, 7000

LAN Technologies: Ethernet, Fast Ethernet, and Gigabit Ethernet, VLAN, Inter-VLAN Routing, VTP, STP, RSTP

WAN Technologies: Frame Relay, PPP, HDLC, (E1/T1/E3T3)

Network Security: Cisco ASA (5512/5550/5585 ), ACL, IPSEC

Routing Protocols: RIP v1/v2, OSPF, EIGRP, BGP, PBR, Route Filtering, Redistribution, Summarization, and Static Routing.

Protocols: IPv4, IPv6, TCP, UDP, ICMP, NAT, DHCP, HTTP, SSH, DNS.

Gateway Load Balancing: HSRP, VRRP, GLBP

Nexus Features: VPC, VDC, FEX, F&M Series Line Cards

Network Mgmt. Tools: Wire shark, SNMP, SYSLOG

Security Server Protocols: TACACS+, LDAP, RADIUS

Load balancer: F5 load balancer

VPN: IPSec & SSL VPN both Site-to-site and Remote VPN

PROFESSIONAL EXPERIENCE:

Confidential, Hartford, CT

Senior Network Engineer

Responsibilities:

• Responsible for implementing, engineering, & support of existing network technologies / services.
• Designing and implementing networks based on customer requirements.
• Experience on configuring HSRP & STP protocols on Data center switches includes Catalyst 6509,6504 series and Nexus 7004,7009, 3064,3048 switches.
• Worked on OSPF using features like TSA, SA, NSSA and route summarization. Configured EBGP/IBGP policies also tested BGP attributes such as Local p, MED, AS-PATH, Community and Weight.
• Implemented port aggregation & link negotiation using LACP and PAGP.
• Provided proper documentation to maintain accountability and priority of installation during the migration. Ensured proper documentation was delivered to Change Management team, Incident Management.
• Configurations involved routing protocols like OSPF, BGP
• Experience with installing Remote Access VPN on Cisco ASA (configuration, VPN) firewalls. Managing Remote VPN network for the Meltwater Engineering Team across multiple locations.
• Involved in Switching technology Administration including creating and managing VLANS, Port security, Trunking, RPVST+, Inter-VLAN routing, LAN security etc.
• Worked on commissioning WAN links and troubleshooting WAN outages.
• Used internal network monitoring tools to ensure network connectivity and Protocol analysis tools to assess the network issues causing service disruption.
• Maintained TACACS+ and RADIUS servers for AAA authentication and user authentication.

Confidential, Austin, TX

Network Engineer

Responsibilities:

• Installed, Configured and maintained 2600, 3600, 7613 Cisco Routers and 3750, 4500 and 6500 series Cisco Switches.
• Performed VSS on Cisco catalyst 6500 series switches.
• Configured and managed Cisco access layer routers and switches & carried out route redistribution & manipulated route updates using distribute lists, route-maps & administrative distance, and offset-lists.
• Configured routing protocols like EIGRP, OSPF & BGP and troubleshooting layer3 issues.
• Learned and Tested various BGP attributes like local p, MED, Weight and replicated customer issues in the testing environment lab.
• Configured PVSTP+ for loop prevention and VTP for Inter-VLAN Routing.
• Implemented port aggregation & link negotiation using LACP and PAGP.
• Involved in design, implementation and configuration of HSRP for load balancing on L3 switches on different location of office on the switched network.
• Configured and deployed BIG-IP LTM 6900 for providing application redundancy and load balancing.
• Configured Client VPN technologies including Cisco’s VPN client via IPSEC.
• Troubleshot issues and outages on Trunks and Router interfaces and firewalls extensively, Maintained
• Involved in operations and administration of WAN consisting Ethernet Handoffs, T1, DS3, and Optic Fiber Handoffs.
• Provided technical assistance for LAN/WAN management & troubleshooting and complex customer issues using Network monitoring tools such as Wire shark.
• Maintained F5 BIG-IP LTM 6900 for providing application redundancy, load balancing and policies.

Confidential

Junior Network Engineer

Responsibilities:

• Configuring STP for switching loop prevention and VLANs for data and voice along with Configuring port security for users connecting to the switches.
• Working on Network design and support, implementation related internal projects for establishing connectivity between the various field offices and data centers.
• Performed IOS upgrades on various catalyst series switches and maintained latest IOS versions according to company’s policy.
• Managed fast Layer 3 switched/routed LAN/WAN infrastructure as a part of Network team. The LAN consisted of Cisco campus model of Cisco 3550 at access layer, Cisco 6513 at distribution/core layer.
• Worked with telecom vendors in regards to network fault isolation.
• Updated the HP open view map to reflect and changes made to any existing node/object.
• Handled SRST and implemented and configured the Gateways, Voice Gateways.
• Configuring HSRP between the 3845-router pairs for Gateway redundancy for the client desktops.
• Configure VRRP & GLBP and VLAN Trunking 802.1Q & ISL, STP, Port Security on Catalyst 6500 switches.
• Ensure Network, system and data availability and integrity through preventive maintenance and upgrade.
• Expert knowledge of cable connectors and replacement as RJ-11, RJ-45, V.35, RS-449.
• Well experienced in configuring HSRP, GLBP, IGMP, ICMP, PPP, SNMP, VLSM, ARP and authentication Protocols (PAP and CHAP).
• Responsible for day-to-day management of Cisco Devices, Traffic management and monitoring.
• Adding and removing checkpoint firewall policies based on the requirements of various project requirements.
• Gained good knowledge about using Cookies and Sessions.
• Configuring, Installing and troubleshooting on Check Point Devices.
• Experience in working with application layer protocols such as Telnet, FTP, SMTP, POP3, HTTP/HTTPS, SSH, SSL and DNS.
• Responsible for cabling and labeling based on day to day requirement and Racking & Stacking of various network equipment and made sure that there are no connectivity issues using ping and tracert.
• Provided Helpdesk support that involved identifying and escalating the tickets to specific groups.
• Resolving all computer related problems, such as troubleshooting operating system failure, scheduling and updating virus checks on servers and desktops.